^ Mariah Helped Luther Put Together His Covers LP! (Interview With Them)."Urban - Reviews: Pick of the Week" (PDF). ^ Shipments figures based on certification alone. Mastered at Gateway Mastering (Portland, ME).Mixed at The Hit Factory, Right Track Recording and Sony Music Studios (New York, NY) The Plant Studios (Sausalito, CA).Jay Healy – vocal recording (Mariah Carey).Paul Brown – vocal recording (Luther Vandross).Dana Jon Chappelle – engineer, recording, mixing (1, 5, 7, 8, 10, 12).Cissy Houston – backing vocals (10, 13), BGV arrangements (10).Claytoven Richardson – backing vocals (8).Cindy Mizelle – backing vocals (7, 9, 10).Robin Clark – backing vocals (7, 9, 13).Brenda White-King – backing vocals (1, 5).Phil Perry – backing vocals (1, 7, 8, 9, 11).Paulette McWilliams – backing vocals (1, 2, 5, 7, 9, 10, 13).Phillip Ingram – backing vocals (1, 7, 8, 9, 11).Jim Gilstrap – backing vocals (1, 7, 8, 9, 11).Lynn Davis – backing vocals (1, 7, 9, 11).Alexandra Brown – backing vocals (1, 7, 9, 11).Johnny Britt – backing vocals (1, 7, 8, 9, 11).Narada Michael Walden – original arrangements (11).The London Symphony Orchestra – orchestra (3, 4, 6, 9, 11, 12, 13).Isobel Griffiths – orchestra contractor (3, 4, 6, 9, 11, 12, 13).Jeremy Lubbock – orchestra arrangements and conductor (3, 4, 6, 9, 11, 12, 13).
Greg Adams – trumpet (9), flugelhorn (9), horn arrangements (9).Lee Thornburg – trombone (9), trumpet (9), flugelhorn (9).Stephen "Doc" Kupka – baritone saxophone (9).Michael Thompson – additional guitar (8).Michael Landau – additional guitar (2, 5, 7, 11).Dann Huff – guitar, nylon guitar solo (3).Ren Klyce – digital programming, synthesizer programming.Gary Cirimelli – digital programming, Macintosh programming, synthesizer programming.Luther Vandross – lead and backing vocals, BGV arrangements (1, 7, 10).Jerry Cohen, Gene McFadden, John Whitehead